MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Thread Direction

  right-hand

• Overall Height

  0.828 inches maximum

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Overall Width

  0.828 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  0.594 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.594 inches nominal

• Threaded Device Type

  back shell

• Mating End Quantity

  1

• Contact Removability

  removable

• Polarization Method

  keyway or multiple keyway

• Shell Type

  solid

• Nominal Thread Length

  0.219 inches

• Thread Quantity Per Inch

  28

• Nominal Thread Size

  0.437 inches

• Contact Surface Treatment

  gold and silver

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  cadmium

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Precious Material

  gold and silver

• Unthreaded Mounting Hole Diameter

  0.120 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.322 inches nominal

• Insert Position In Deg

  342.0

• Connector Locking Method

  bayonet pin

• Terminal Location

  back

• Contact Material

  copper alloy

• Terminal Type

  crimp

• Included Contact Quantity

  6

• Included Contact Type

  round pin

• Precious Material And Weight

  0.030 gold grains,troy and 0.030 silver grains,troy

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27499 government standard